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  Copyright (c) 2016 Jean-Marc VIGLINO, 
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  <title>ol-ext: Long touch interaction</title>
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  <meta name="description" content="an OL3 interaction handle long touch." />
  <meta name="keywords" content="ol3, interaction, touch lonh" />

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  <a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>

  <a href="../../index.html">
    <h1>ol-ext: Long touch interaction</h1>
  </a>
  <div class="info">
    <b>ol.interaction.LongTouch</b> is an interaction to handle a long touch event. 
    <ul>
      <li>
        <i>handleLongTouchEvent</i> option will receive a mapBrowserEvent.
      </li>
      <li>
        The <i>delay</i> option control the duration of the lonftouch.
      </li>
    </ul>
  </div>

  <!-- Map div -->
  <div id="map" style="width:600px; height:400px;"></div>

  <div class="options" >
    <h2>Information:</h2>
    <p>Touch or click the map for more than a 1 second to add a point.</p>
    <ul><li>
    </li></ul>
    <div style="background:white; padding:0 0.45em;"></div>
  </div>
  

  <script type="text/javascript">
    // Layers
    var layers = [ new ol.layer.Geoportail({ layer: 'ORTHOIMAGERY.ORTHOPHOTOS' }) ]
    // The map
    var map = new ol.Map({
      target: 'map',
      view: new ol.View
      ({	zoom: 5,
        center: [261720, 5951081]
      }),
      layers: layers
    });

    // New vector layer
    var vector = new ol.layer.Vector({
      name: 'Vecteur',
      source: new ol.source.Vector({ features: new ol.Collection() }),
      updateWhileInteracting: true
    })
    map.addLayer(vector);

    function pulseFeature(coord) {
      var f = new ol.Feature (new ol.geom.Point(coord));
      f.setStyle (new ol.style.Style({
        image: new ol.style.Circle ({
          radius: 30, 
            stroke: new ol.style.Stroke ({ color:"red", width:2 })
          })
      }));
      map.animateFeature (f, new ol.featureAnimation.Zoom({
        fade: ol.easing.easeOut, 
        duration:800, 
        easing: ol.easing[$("#easing").val()] 
      }));
    };

    // Longtouch interaction
    var touchi = new ol.interaction.LongTouch({
      pixelTolerance: 1,
      // Handle longtouch > create a new feature
      handleLongTouchEvent: function(e) {
        var f = new ol.Feature(new ol.geom.Point(e.coordinate));
        vector.getSource().addFeature(f);
        pulseFeature(e.coordinate);
        setTimeout( function(){ pulseFeature(e.coordinate); }, 400);
        $(".options div").text(vector.getSource().getFeatures().length+" features added!");
      } 
    });
    map.addInteraction(touchi);

    // Listen to longtouch event on the map
    map.on(['longtouch'], function(e) {
      console.log(e);
    })

  </script>

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